Title:
Combined ruler and electronic calculator
United States Patent D271025


Inventors:
Li, Robert S. K. (Central, HK)
Application Number:
06/454486
Publication Date:
10/18/1983
Filing Date:
12/29/1982
Assignee:
RJP Electronics Limited (Hong Kong, HK)
Primary Class:
Other Classes:
33/483, D10/2, D10/71
Field of Search:
D10/2, D10/71, 368/10, 33/1L, 33/125R, 33/125A, 33/438, 33/483, 33/484, 33/485, 33/494, D18/2, 364/562, D19/36, 235/1D
View Patent Images:
US Patent References:
D269353Electronic calculator with electronic musical instrument and timepieceJune, 1983YokoyamaD10/2
D264821Combined clock and desk holder for note paper and writing instrumentsJune, 1982HenkelsD10/2
4282571Electronic distance measurement and displaying apparatusAugust, 1981Giovannoli331/25A
D259476RulerJune, 1981FeingoldD10/71
4158229Electronic rule for precise distance measurement and distance settingJune, 1979Woo331/25A
D251252Beam compassMarch, 1979KamilaD10/71
4095273Electronic slide ruler calculatorJune, 1978Gonzales331/25A
D245109Desk top calculator with scaleJuly, 1977YoshiokaD10/71
D201300N/AJune, 1965SeelyD10/71
D094464N/AFebruary, 1935BauschD10/71
1334145RulerMarch, 1920EatonD10/71



Other References:
Hong Kong Enterprises-12/81-p. 38-Item #635-Ruler-Pencil Box-Calculator at bottom center.
Primary Examiner:
Holtje, Nelson C.
Attorney, Agent or Firm:
Antonelli, Terry & Wands
Claims:
1. The ornamental design for a combined ruler and electronic calculator,substantially as shown and described.

Description:

FIG. 1 is a top plan view of a combined ruler and electronic calculator showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view of a second embodiment of my new design of FIGS. 1-5.

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front elevational view thereof;

FIG. 9 is a left side elevational view thereof;

FIG. 10 is a right side elevational view thereof.